83854057858 has 8 divisors (see below), whose sum is σ = 125866598400. Its totient is φ = 41898525060.

The previous prime is 83854057813. The next prime is 83854057913. The reversal of 83854057858 is 85875045838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 83854057796 and 83854057805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14248258 + ... + 14254141.

It is an arithmetic number, because the mean of its divisors is an integer number (15733324800).

Almost surely, 2^83854057858 is an apocalyptic number.

83854057858 is a deficient number, since it is larger than the sum of its proper divisors (42012540542).

83854057858 is a wasteful number, since it uses less digits than its factorization.

83854057858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28503872.

The product of its (nonzero) digits is 43008000, while the sum is 61.

The spelling of 83854057858 in words is "eighty-three billion, eight hundred fifty-four million, fifty-seven thousand, eight hundred fifty-eight".